Home / 117,113.34-161,616.06-63,399.36

Finding the Fourth Proportional to 117,113.34, 161,616.06 and 63,399.36

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Solution

The fourth proportional to 117,113.34, 161,616.06 and 63,399.36 is: 87,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,113.34 : 161,616.06 = 63,399.36 : x
  2. Step 2: Convert to fraction form
    117,113.34/161,616.06 = 63,399.36/x
  3. Step 3: Cross multiply
    117,113.34x = 161,616.06 × 63,399.36
  4. Step 4: Simplify right side
    117,113.34x = 10,246,354,769.72
  5. Step 5: Solve for x
    x = 10,246,354,769.72/117,113.34
  6. Step 6: Final answer
    x = 87,490.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.